Math Dice Junior by Think Fun is a mental math game. It is simple to learn, fun to play, and it builds children's basic computational abilities as well as demonstrating the creativity and joy of numbers. Math Dice Jr. by ThinkFun is easily the most flexible, competitive math game ever invented! Roll the 12-sided Target Die to get your target number, then roll the five 6-sided Scoring Dice. Using addition and/or subtraction, combine the Scoring Dice to match the target number, moving one space on the Scoring Track for every Scoring Die used. The first player to reach the finish line wins! Single or Multi Player.